MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04aea1458bbe0debfdc6cbd993d9d3ebf52e5742cac8d5ad53a44ac2c8010d12. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



GuLoader


Vendor detections: 16


Intelligence 16 IOCs YARA 3 File information Comments

SHA256 hash: 04aea1458bbe0debfdc6cbd993d9d3ebf52e5742cac8d5ad53a44ac2c8010d12
SHA3-384 hash: c37451ed46c04e8d6640ddbe7964c97796913c2e53c3b3458cb846d8b2d9f6a5ec154379cd5f8fd6d9f14f54d0fd9ae2
SHA1 hash: 18b9cb70831fce6941dbe8e3c23e6755ab873746
MD5 hash: 4318d52dc8b2ce92c02fe2683bb99a18
humanhash: nitrogen-hawaii-purple-oven
File name:Revised PI_2024.exe
Download: download sample
Signature GuLoader
File size:785'080 bytes
First seen:2024-07-09 06:26:51 UTC
Last seen:2024-07-24 17:53:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 076b06e6a65c9b7cca5a61be0cd82165 (51 x GuLoader, 4 x AgentTesla, 4 x Formbook)
ssdeep 12288:PagXAeIT/4FGt8pjs0p0vxM/r9RKGqHmIdD+R:CgXAeWQFGt2Y0CMz9RKHHF9E
Threatray 2'743 similar samples on MalwareBazaar
TLSH T15DF4C6B12531C0CAF9EA0DF1DF6A2461359332ACA4495B2DA4D73F1C468AFF1406EB5E
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon e09cb28ab2b68ed0 (7 x GuLoader, 1 x Loki, 1 x AgentTesla)
Reporter lowmal3
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Aficionadas
Issuer:Aficionadas
Algorithm:sha256WithRSAEncryption
Valid from:2024-05-06T09:34:48Z
Valid to:2027-05-06T09:34:48Z
Serial number: 18a2203df1f40104156badf72c4dd2e3edcedeac
Thumbprint Algorithm:SHA256
Thumbprint: baf8b6ea2b51b23c9868cb66bf3c7f98697376c72b576a7712d1290ff7ae12b8
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
5
# of downloads :
399
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
04aea1458bbe0debfdc6cbd993d9d3ebf52e5742cac8d5ad53a44ac2c8010d12.exe
Verdict:
Malicious activity
Analysis date:
2024-07-09 08:06:59 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.9%
Tags:
Encryption Execution Network Static Stealth Injector
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file
Searching for the window
Creating a file in the %temp% subdirectories
Delayed reading of the file
Searching for the Windows task manager window
Running batch commands
Creating a process with a hidden window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin microsoft_visual_cc overlay packed shell32
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
GuLoader, Snake Keylogger
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Mass process execution to delay analysis
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: Capture Wi-Fi password
Switches to a custom stack to bypass stack traces
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal WLAN passwords
Tries to steal Mail credentials (via file / registry access)
Uses netsh to modify the Windows network and firewall settings
Uses the Telegram API (likely for C&C communication)
Yara detected GuLoader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1469822 Sample: Revised PI_2024.exe Startdate: 09/07/2024 Architecture: WINDOWS Score: 100 43 reallyfreegeoip.org 2->43 45 api.telegram.org 2->45 47 5 other IPs or domains 2->47 55 Found malware configuration 2->55 57 Antivirus / Scanner detection for submitted sample 2->57 59 Sigma detected: Capture Wi-Fi password 2->59 65 9 other signatures 2->65 9 Revised PI_2024.exe 4 45 2->9         started        signatures3 61 Tries to detect the country of the analysis system (by using the IP) 43->61 63 Uses the Telegram API (likely for C&C communication) 45->63 process4 file5 39 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 9->39 dropped 41 C:\Users\user\AppData\Local\...\System.dll, PE32 9->41 dropped 67 Obfuscated command line found 9->67 69 Tries to harvest and steal WLAN passwords 9->69 13 Revised PI_2024.exe 14 8 9->13         started        17 cmd.exe 9->17         started        19 cmd.exe 9->19         started        21 62 other processes 9->21 signatures6 process7 dnsIp8 49 api.telegram.org 149.154.167.220, 443, 49789 TELEGRAMRU United Kingdom 13->49 51 reallyfreegeoip.org 172.67.177.134, 443, 49781, 49782 CLOUDFLARENETUS United States 13->51 53 3 other IPs or domains 13->53 71 Tries to steal Mail credentials (via file / registry access) 13->71 73 Tries to harvest and steal browser information (history, passwords, etc) 13->73 75 Tries to harvest and steal WLAN passwords 13->75 23 netsh.exe 13->23         started        25 Conhost.exe 17->25         started        27 Conhost.exe 19->27         started        29 Conhost.exe 21->29         started        31 Conhost.exe 21->31         started        33 Conhost.exe 21->33         started        35 59 other processes 21->35 signatures9 process10 process11 37 conhost.exe 23->37         started       
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2024-07-09 00:43:41 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
snakekeylogger
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger persistence privilege_escalation spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Snake Keylogger
Snake Keylogger payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot7211864747:AAE9cmHq8VLYVfRSXReopfT_yGzrtrVcewc/sendMessage?chat_id=6419839739
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
fda0018ab182ac6025d2fc9a2efcce3745d1da21ce5141859f8286cf319a52ce
MD5 hash:
4d3b19a81bd51f8ce44b93643a4e3a99
SHA1 hash:
35f8b00e85577b014080df98bd2c378351d9b3e9
SH256 hash:
d662734b01f2d40036d5b6d002621080d3219dfa75a9d56c0489765d38dbc5c2
MD5 hash:
86ca6393eafd76d752dd54ea2f30bd1b
SHA1 hash:
16d978ea8e6460b1e1ea91a031449b864ea538d8
SH256 hash:
04aea1458bbe0debfdc6cbd993d9d3ebf52e5742cac8d5ad53a44ac2c8010d12
MD5 hash:
4318d52dc8b2ce92c02fe2683bb99a18
SHA1 hash:
18b9cb70831fce6941dbe8e3c23e6755ab873746
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Detect_SliverFox_String
Author:huoji
Description:Detect files is `SliverFox` malware
Rule name:NSIS_April_2024
Author:NDA0N
Description:Detects NSIS installers
Rule name:PE_Digital_Certificate
Author:albertzsigovits

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

GuLoader

Executable exe 04aea1458bbe0debfdc6cbd993d9d3ebf52e5742cac8d5ad53a44ac2c8010d12

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::SetFileSecurityA
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteA
SHELL32.dll::SHFileOperationA
SHELL32.dll::SHGetFileInfoA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetDiskFreeSpaceA
KERNEL32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileExA
KERNEL32.dll::MoveFileA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExA
USER32.dll::OpenClipboard
USER32.dll::PeekMessageA
USER32.dll::CreateWindowExA

Comments